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Predicting risk-taking behavior from prefrontal resting-state activity and personality

Studer, Bettina and Pedroni, Andreas and Rieskamp, Jörg. (2013) Predicting risk-taking behavior from prefrontal resting-state activity and personality. PLoS ONE, Vol. 8, H. 10 , e76861.

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Official URL: http://edoc.unibas.ch/dok/A6212318

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Abstract

Risk-taking is subject to considerable individual differences. In the current study, we tested whether resting-state activity in the prefrontal cortex and trait sensitivity to reward and punishment can help predict risk-taking behavior. Prefrontal activity at rest was assessed in seventy healthy volunteers using electroencephalography, and compared to their choice behavior on an economic risk-taking task. The Behavioral Inhibition System/Behavioral Activation System scale was used to measure participants' trait sensitivity to reward and punishment. Our results confirmed both prefrontal resting-state activity and personality traits as sources of individual differences in risk-taking behavior. Right-left asymmetry in prefrontal activity and scores on the Behavioral Inhibition System scale, reflecting trait sensitivity to punishment, were correlated with the level of risk-taking on the task. We further discovered that scores on the Behavioral Inhibition System scale modulated the relationship between asymmetry in prefrontal resting-state activity and risk-taking. The results of this study demonstrate that heterogeneity in risk-taking behavior can be traced back to differences in the basic physiology of decision-makers' brains, and suggest that baseline prefrontal activity and personality traits might interplay in guiding risk-taking behavior.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Society & Choice > Economic Psychology (Rieskamp)
UniBasel Contributors:Pedroni, Andreas and Rieskamp, Jörg
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Public Library of Science
e-ISSN:1932-6203
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:31 Aug 2018 06:39
Deposited On:25 Apr 2014 08:00

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